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Search for B[over ¯]→Λ_{c}^{+}Xℓ^{-}ν[over ¯]_{ℓ} decays in events with a fully reconstructed B meson
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(2012) Search for B[over ¯]→Λ_{c}^{+}Xℓ^{-}ν[over ¯]_{ℓ} decays in events with a fully reconstructed B meson. Physical Review D (Particles, Fields, Gravitation and Cosmology), Vol.85 (No.1). 011102(R). doi:10.1103/PhysRevD.85.011102 ISSN 1550-7998.
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Official URL: http://dx.doi.org/10.1103/PhysRevD.85.011102
Abstract
We present a search for semileptonic B decays to the charmed baryon Λc+ based on 420 fb-1 of data collected at the Υ(4S) resonance with the BABAR detector at the PEP-II e+e- storage rings. By fully reconstructing the recoiling B in a hadronic decay mode, we reduce non-B backgrounds and determine the flavor of the signal B. We statistically correct the flavor for the effect of the B0 mixing. We obtain a 90% confidence level upper limit of B(B̅ →Λc+Xℓ-ν̅ ℓ)/B(B̅ →Λc+X)<3.5%.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Journal or Publication Title: | Physical Review D (Particles, Fields, Gravitation and Cosmology) | ||||
| Publisher: | American Physical Society | ||||
| ISSN: | 1550-7998 | ||||
| Official Date: | 1 January 2012 | ||||
| Dates: |
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| Volume: | Vol.85 | ||||
| Number: | No.1 | ||||
| Page Range: | 011102(R) | ||||
| DOI: | 10.1103/PhysRevD.85.011102 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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